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Fencer Vulns
high 7.5

CVE-2006-2788 json

Double free vulnerability in the getRawDER function for nsIX509Cert in Firefox allows remote attackers to cause a denial of service (hang)…

published 2006-06-02 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-2785

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Double free vulnerability in the getRawDER function for nsIX509Cert in Firefox allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via certain Javascript code.

Patch / fix

  • thunderbird RHEL 4 1.5.0.5-0.el4.1
  • firefox RHEL 4 1.5.0.5-0.el4.1
  • seamonkey RHEL 4 1.0.3-0.el4.1
  • devhelp RHEL 4 0.10-0.2.el4
  • seamonkey-chat RHEL 4 1.0.3-0.el4.1
  • seamonkey-mail RHEL 4 1.0.3-0.el4.1
  • seamonkey-js-debugger RHEL 4 1.0.3-0.el4.1
  • seamonkey-dom-inspector RHEL 4 1.0.3-0.el4.1

red hat advisories RHSA-2006:0611RHSA-2006:0610RHSA-2006:0609RHSA-2006:0578

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-2788 updated

security flaw

  • Red Hat Desktop version 3 seamonkey 1.0.2-0.1.0.EL3, seamonkey-nss 1.0.2-0.1.0.EL3, seamonkey-chat 1.0.2-0.1.0.EL3, seamonkey-mail 1.0.2-0.1.0.EL3, seamonkey-nspr 1.0.2-0.1.0.EL3, seamonkey-js-debugger 1.0.2-0.1.0.EL3, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.2-0.1.0.EL3, seamonkey-nss 1.0.2-0.1.0.EL3, seamonkey-chat 1.0.2-0.1.0.EL3, seamonkey-mail 1.0.2-0.1.0.EL3, seamonkey-nspr 1.0.2-0.1.0.EL3, seamonkey-js-debugger 1.0.2-0.1.0.EL3, +1 more
    fixed: vendor fix RHSA-2006:0578
  • Red Hat Enterprise Linux AS version 4 devhelp 0.10-0.2.el4, firefox 1.5.0.5-0.el4.1, seamonkey 1.0.3-0.el4.1, thunderbird 1.5.0.5-0.el4.1, seamonkey-chat 1.0.3-0.el4.1, seamonkey-mail 1.0.3-0.el4.1, +2 more Red Hat Enterprise Linux Desktop version 4 devhelp 0.10-0.2.el4, firefox 1.5.0.5-0.el4.1, seamonkey 1.0.3-0.el4.1, thunderbird 1.5.0.5-0.el4.1, seamonkey-chat 1.0.3-0.el4.1, seamonkey-mail 1.0.3-0.el4.1, +2 more
    fixed: vendor fix RHSA-2006:0609
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2006:0594
  • Red Hat Enterprise Linux ES version 3 seamonkey 1.0.2-0.1.0.EL3, seamonkey-nss 1.0.2-0.1.0.EL3, seamonkey-chat 1.0.2-0.1.0.EL3, seamonkey-mail 1.0.2-0.1.0.EL3, seamonkey-nspr 1.0.2-0.1.0.EL3, seamonkey-js-debugger 1.0.2-0.1.0.EL3, +1 more
    fixed: vendor fix RHSA-2006:0578
  • Red Hat Enterprise Linux ES version 4 devhelp 0.10-0.2.el4, firefox 1.5.0.5-0.el4.1, seamonkey 1.0.3-0.el4.1, thunderbird 1.5.0.5-0.el4.1, seamonkey-chat 1.0.3-0.el4.1, seamonkey-mail 1.0.3-0.el4.1, +2 more
    fixed: vendor fix RHSA-2006:0609
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2006:0594
  • Red Hat Enterprise Linux WS version 3 seamonkey 1.0.2-0.1.0.EL3, seamonkey-nss 1.0.2-0.1.0.EL3, seamonkey-chat 1.0.2-0.1.0.EL3, seamonkey-mail 1.0.2-0.1.0.EL3, seamonkey-nspr 1.0.2-0.1.0.EL3, seamonkey-js-debugger 1.0.2-0.1.0.EL3, +1 more
    fixed: vendor fix RHSA-2006:0578
  • Red Hat Enterprise Linux WS version 4 devhelp 0.10-0.2.el4, firefox 1.5.0.5-0.el4.1, seamonkey 1.0.3-0.el4.1, thunderbird 1.5.0.5-0.el4.1, seamonkey-chat 1.0.3-0.el4.1, seamonkey-mail 1.0.3-0.el4.1, +2 more
    fixed: vendor fix RHSA-2006:0609
show 1 more
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2006:0594

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.37% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=321598 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.